Lewis and Clark Caverns

Lewis and Clark Caverns State Park is a 3,000-acre (1, 200 ha) public recreation and nature preservation area located twelve miles (19 km) east of Whitehall in Jefferson County, Montana. The state park includes two visitor centers, ten miles of hiking trails, a campground, and its namesake limestone caverns. The Lewis and Clark Caverns Historic District was placed on the National Register of Historic Places in 2018.

Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).